simulation-piano-keyboard-in-Matlab

This programe hides secret data inside a carrier file using LSB technique. This is example of Steganography

说明：  很好的扩张滤波算法 精度高 时间短 适合导航运算(The expansion of good short time filtering algorithm for high precision navigation operations)

matlab函数大全，几乎包含所有matlab函数。(matlab function Daquan, for almost all matlab functions.)

语音信号处理中挺实用的程序，用MATLAB实现LPC谱的分析，对初学者很有用处。(Very useful program in speech signal processing, with MATLAB implementation LPC spectrum analysis, useful for beginners.)

说明：  FCM算法是应用最广泛的聚类分析方法之一，CFCM也是模糊数学中的一种聚类分析算法。 现在给出的这两个算法是C++代码实现的。 (FCM algorithm is the most widely used method of cluster analysis, CFCM is a kind of fuzzy clustering analysis in the algorithm. Now given by the two algorithms is the C++ code to achieve.)

file for generating inter-arrival and service time in a banking system generation of uniformly distributed random numbers

2FSK频率选择法调制及相关检测、包络检测的matlab程序，供仿真参考(2FSK modulation frequency selection method and related testing, envelope detection matlab program for the simulation of reference)

说明：  使用非线性共轭梯度法求解优化问题，使用matlab编程求解，是最优化方向的基本代码(Using nonlinear conjugate gradient method to solve the optimization problem and MATLAB programming to solve it is the basic code of the optimization direction)

残差预测源代码 ARMA建模 差分 相关系数 阶数 (arma errors )

ARMA有理谱估计的阶数估计，用于估计用ARMA过程估计功率谱时要用几阶比较合适。(ARMA spectrum order estimation. It is used to compute the order of ARMA process that suited for signal estimation. )